Magnetoelasticity of (Lu0.8Ce0.2)2Fe17 intermetallic compound

被引：5

作者：

Andreev, A. V. ^{[1
]}

Koyama, K. ^{[2
]}

Tereshina, E. A. ^{[1
,3
]}

Prokleska, J. ^{[3
]}

Watanabe, K. ^{[2
]}

机构：

[1] Acad Sci Czech Republic, Inst Phys, Prague 18221, Czech Republic

[2] Tohoku Univ, Inst Mat Res, HFLSM, Sendai, Miyagi 9808578, Japan

[3] Charles Univ Prague, Fac Math & Phys, Dept Condensed Matter Phys, CR-12116 Prague, Czech Republic

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 477卷 / 1-2期

关键词：

R(2)T(17); Lu(2)Fe(17); Ferromagnetism; Metamagnetism; Magnetostriction; THERMAL-EXPANSION ANOMALIES; SPONTANEOUS MAGNETOSTRICTION; HIGH-PRESSURE; CE2FE17; DIFFRACTION; FIELDS; STATES;

D O I：

10.1016/j.jallcom.2008.11.003

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Study of magnetostriction of (Lu(0.8)Ce(0.2))(2)Fe(17) has been performed by two methods, bulk and microscopic: by the capacitor dilatometer on a single crystal grown by the Czochralski method and by the X-ray powder diffraction. The field-induced transition from the antiferromagnetic to the ferromagnetic state is accompanied by the lattice expansion both in the basal plane and along the c-axis of the hexagonal structure. In addition to the spontaneous linear magnetostriction lambda(s)(a) = 0.8 x 10(-3), lambda(s)(c) = 6.8 x 10(-3) along the a and c axes, respectively, and volume effect omega(s) = 8.4 x 10(-3), a comparable field-induced magnetostriction (lambda(a) = 1.3 x 10(-3), lambda(c) = 3.4 x 10(-3), omega = 6.0 x 10(-3)) is observed in a field of 5T applied along the a-axis. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：62 / 67

页数：6

共 18 条

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